This configuration can be found in several articles on this site. The one shown in the diagram is from the datasheet of the LM101 series amplifiers, but it can be implemented with other types.
This transmitter has a few watts of output power, having been found in a 1997 documentation. L1...
This amplifier configuration for instrumentation with two operators was found in a circuit manual...
The operational used in this common configuration is a double 741. The circuit can be used to...